Bomba and the Hidden City is a 1950 American adventure film based on the Bomba, the Jungle Boy series of juvenile adventure books. It is the fourth film in the 12-film Bomba series.
The film was titled simply The Hidden City in its advertising and on the film's title screen.
A photographer and his guide meet a corrupt emir with a dirty secret. Only Bomba knows the truth and the emir wants him silenced. Bomba defeats the emir and his henchmen, returning a lost princess to her throne.